Faulty Products

With a puzzled look on his face an indian boy asked, "Say, mom, why is my bigger brother named Mighty Storm?"
She told him, "Because he was conceived during a mighty storm."
Then he asked, "Why is my sister named Cornflower?"
She replied, "Well, your father and I were in a cornfield when we made her."
"And why is my other sister called Moonchild?"
"We were watching the moon landing while she was conceived."
She explained. The Mother paused for a moment then asked her son, "Tell me, Torn Rubber, why are you so curious?"